The investigators performed a 12-week, randomized, double-blind, placebo-controlled human trial to evaluate the efficacy and safety of Cauliflower Mushroom extract on promotion of immunity. The investigators measured promotion of immunity parameters , including Cytotoxicity, Cytokine (IL-4, IL-10, IFN- γ, TNF-α), and CBC (WBC, RBC, Hb, Hct, MCV, MCH, MCHC, PLT), and monitored their blood pressure.

Inclusion Criteria:

• Males and females 30-65 years old
• Weight within ±30% of ideal body weight
• Able to give informed consent

Exclusion Criteria:

• WBC concentration below 3000 ㎕
• Allergic or hypersensitive to any of the ingredients in the test products
• Diagnosed of gastrointestinal disease such as Immune-related diseases, severe hepatic, renal failure, and diabetes
• History of reaction to any of the test products or of gastrointestinal diseases such as Crohn's disease or gastrointestinal surgery
• History of alcohol or substance abuse
• Participation in any other clinical trials within past 2 months
• Laboratory test, medical or psychological conditions deemed by the investigators to interfere with successful participation in the study
• Pregnant or lactating women etc.